This site will have limited functionality while we undergo maintenance to improve your experience. If an article doesn't solve your issue and you want to ask a question, we have our support community waiting to help you at @FirefoxSupport on Twitter and/r/firefox on Reddit.

Search Support

Avoid support scams. We will never ask you to call or text a phone number or share personal information. Please report suspicious activity using the “Report Abuse” option.

Learn More

Error occurs while sending mail & e-mail is lost

  • 1 cavab
  • 1 has this problem
  • 1 view
  • Last reply by sfhowes

more options

An error occurred while sending mail : The mail serνer sent an incorrect greeting: concurrent connection limit in Aνast exceeded (pass:0, processes: thunderbird.exe[50]).

A previous update claimed to have addressed this but it's still there...

An error occurred while sending mail : The mail serνer sent an incorrect greeting: concurrent connection limit in Aνast exceeded (pass:0, processes: thunderbird.exe[50]). A previous update claimed to have addressed this but it's still there...
Attached screenshots

All Replies (1)

more options

It's generally recommended to disable any antivirus program option for scanning outgoing mail or secure (SSL) connections.

http://kb.mozillazine.org/Antivirus_software

Do this for Avast and see if the error remains:

https://help.avast.com/en/av_free/17/settings_sh_mail_basic.html